/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/IMeshPaintComponentAdapter.h
Returns the vertex positions which intersect the given sphere
[TArray](API\Runtime\Core\Containers\TArray)< FVector > SphereIntersectVertices ( const float ComponentSpaceSquaredBrushRadius, const FVector & ComponentSpaceBrushPosition, const FVector & ComponentSpaceCameraPosition, const bool bOnlyFrontFacing ) const